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Wadden Sea World Heritage
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Wadden Sea Quality Status Report

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  • Introduction
  • Geomorphology and climate
  • Habitats and communities
  • Species
  • Human activities
  • Pollution
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Annex "Alien species" (2017) ›

Two harbour seals resting on a sand bank.

Marine mammals

Marine mammals

common slipper shell (Crepidulamytilus) attached to blue mussel.

Alien species

Alien species

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Annex "Salt marshes" (2017) ›

Aerial image of the sandy, vegetated, uninhabited island of Zuiderduin,

Geomorphology

Geomorphology

The reports are sorted in five sections: geomorphology, habitats, species, human activities and pollution. Each thematic report can be downloaded as PDF. Read more about the QSR here. For information on editorial and content changes made since first publication, please consult the change log. A complete set of all reports as PDFs can be downloaded in a zip-file here.

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Sun reflecting in calm water of intertidal river.

Subtidal habitats

Subtidal habitats

Pacific oyster and blue mussel attached to each other on exposed mudflat.

Beds of blue mussels and Pacific oysters

Beds of blue mussels and Pacific oysters

Redish salt marsh and green-yellow sand dunes.

Salt marshes

Salt marshes

Exposed tdal flat in evening light.

Pollution

Pollution

Eutrophication | Marine litter |
Oil pollution and seabirds |
Contaminants in bird eggs

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